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Driver file ready to place in Hornresp’s Drivers folder.
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Overview
LF Driver
Dayton Audio
Dayton Audio HTS545HE-4
Dayton Audio HTS545HE-4 is a 21" 4 ohm LF driver rated at 2000W RMS. The validated T/S data includes Fs 26Hz, Qts 0.28, Vas 179L, Xmax 21mm, sensitivity 92.5dB, plus 3221cm³ Vd and 91 EBP. bits tracks UK vendor pricing, price movement, datasheet links, simulator import data, and similar drivers, with a current best price of £449.36.
Size
21"
Impedance
4Ω
RMS Power
2000W
Sensitivity
92.5dB
95.6dBmanufacturer; using T/S-derived value (3.1dB delta).
EBP
91
Either alignment
Vd
3221cm³
Datasheet traces
Frequency and impedance curves traced from the manufacturer PDF.
on-axis240 ptsp1medium
Curve provenanceInspect 1 traceHide details
These plotted lines are Bits digitizations of manufacturer evidence, not new measurements. How provenance works
- Trace datasheet-response-trace-poc/v1
on-axis
Frequency response
240 plotted pointsMedium confidence4,614 selected pixels of 4,614
T/S Parameters
Valid
Fs26Hz
Qts0.28
Qes0.29
Qms7.9
Vas179.0L
Re3.8Ω
Le8.50mH
BL38.2Tm
Sd1534cm²
Mms676g
Xmax21.0mm
SPL93dB
Power2000W
Impedance4Ω
F Low18Hz
F High500Hz
Pricing & availability
Price definitionsPrice movement
Best current price
£449.36
inc VAT·Vendor hidden
Use this driver
Open it in 00 Simulator, download it for your enclosure tool, or copy the specification values.
Files use canonical values. Required mechanical fields are derived only where the target format needs them.
WinISD
.wdr · WinISD driver editor
Native WinISD driver record with the required SI conversions.
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.bastaelement · BASTA! loudspeaker simulator
Native BASTA! element file using its documented SI-unit fields.
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.wdr · VituixCAD 2 Enclosure
A WinISD driver file that VituixCAD imports directly.
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Plain text · Clipboard
Copy the available values as a clean label-and-value list.
Dimensions & Physical
Diameter544.8mm
Overall Depth258.6mm
Cutout Diameter495.3mm
Similar Drivers
Size stays fixed. Tune the T/S ranges to change what counts as a match, or add a specific driver to compare it directly.
Reference
Dayton Audio
HTS545HE-4
21"
Best current price
£449.36
Compare on
Matches sit inside every range. Size stays fixed automatically.
5 active T/S params, plus size.
9 matches
Compare a specific driver
Added drivers stay at the front of the list, whatever the ranges say.
42%
Similarity
£445.00
Celestion
TSQ2145
21"
Xmax15mm-29%
Qts0.34+23%
BL33.8Tm-12%
Vas253.8L+42%
Qes0.36+24%
79%
Similarity
11% more£497.00
B&C
21DS115
21"
Higher price
Xmax16.5mm-21%
Qts0.27-4%
BL39.3Tm+3%
Vas204L+14%
Qes0.28-3%
66%
Similarity
30% more£585.00
B&C
21SW152
21"
Higher price
Xmax15mm-29%
Qts0.3+7%
BL32.5Tm-15%
Vas200L+12%
Qes0.31+7%
Image unavailable
73%
Similarity
73% more£777.00
Precision Devices
PD.2160-1N
21"
Higher price
Xmax16mm-24%
Qts0.3+7%
BL43Tm+13%
Vas177L-1%
Qes0.31+7%
56%
Similarity
100% more£899.00
FaitalPRO
21XL3000
21"
Higher price
Xmax17.7mm-16%
Qts0.25-11%
BL43Tm+13%
Vas284.6L+59%
Qes0.25-14%
Image unavailable
68%
Similarity
104% more£917.46
Eminence
NSW6021-124
21"
Higher price
Xmax21mm0%
Qts0.32+14%
BL30.5Tm-20%
Vas224.6L+25%
Qes0.33+14%
88%
Similarity
Dayton Audio
PSS545HE-4
21"
Xmax21mm0%
Qts0.27-4%
BL35.5Tm-7%
Vas212.2L+19%
Qes0.28-3%
78%
Similarity
Eminence
NSW6021-6
21"
Xmax21mm0%
Qts0.31+11%
BL33.8Tm-12%
Vas224.6L+25%
Qes0.31+7%
70%
Similarity
Celestion
TSQ2160
21"
Xmax18.8mm-11%
Qts0.26-8%
BL43.1Tm+13%
Vas234.8L+31%
Qes0.26-9%